High-sensitivity charge induction device

According to the high-sensitivity charge induction device provided by the invention, dust is discharged after being filtered by the metal dustproof net, the dust can be prevented from polluting fan blades after being filtered, the L-shaped rod drives the horn mouth to swing rightwards, the air suction range can be expanded, the detection efficiency can be improved, the metal dustproof net is made to vibrate, and the metal dustproof net can be prevented from being blocked; the device comprises a dust collection shell and a charge induction device body, the charge induction device body is arranged in the dust collection shell, a detection head is arranged on the charge induction device body and located in the dust collection shell, a corrugated pipe is arranged on the front side of the dust collection shell and communicates with a horn mouth, and an L-shaped rod is installed at the bottom of the horn mouth; a reciprocating shaft is rotatably mounted at the bottom of the dust collecting shell, the reciprocating